An Improved Multiple Description Coding Strategy Based on Path Diversity

2006 ◽  
Vol 17 (3) ◽  
pp. 371 ◽  
Author(s):  
Juan ZHAO
Keyword(s):  
Multiple Description Coding ◽  
Path Diversity ◽  
Multiple Description ◽  
Coding Strategy ◽  
Description Coding

Multiple Description Coding for Multipath Video Streaming

2016 ◽  
pp. 63-117
Author(s):  
Pedro Correia ◽  
Pedro A. Amado Assuncao ◽  
Vítor Silva
Keyword(s):  
Video Coding ◽  
Video Streaming ◽  
Multiple Description Coding ◽  
Video Adaptation ◽  
Path Diversity ◽  
Coding Efficiency ◽  
Multiple Description ◽  
Research Findings ◽  
Advanced Video Coding ◽  
Description Coding

This Chapter addresses robust video coding and adaptation of compressed streams in multipath communications environments, using Multiple Description Coding (MDC). A review of Multiple Description (MD) video coding is presented, covering different video coding approaches. Different path diversity topologies and MDC networking applications are described, including MD video adaptation schemes to operate at network edges, for robust video streaming. A multi-loop architecture for Advanced Video Coding (AVC) to prevent drift distortion accumulation is also described. A simulation study of MDC for AVC is presented to evaluate the coding efficiency, the effects of distortion propagation and streaming performance in lossy networks. These research findings extend the current state-of-the-art MDC methods by developing new networking capabilities in different application scenarios maintaining coding efficiency, and increasing error robustness, when subject to transmission losses.

Multiple Description Coding for Multipath Video Streaming

Biometrics ◽  
2017 ◽  
pp. 836-891
Author(s):  
Pedro Correia ◽  
Pedro A. Amado Assuncao ◽  
Vítor Silva
Keyword(s):  
Video Coding ◽  
Video Streaming ◽  
Multiple Description Coding ◽  
Video Adaptation ◽  
Path Diversity ◽  
Coding Efficiency ◽  
Multiple Description ◽  
Research Findings ◽  
Advanced Video Coding ◽  
Description Coding

This Chapter addresses robust video coding and adaptation of compressed streams in multipath communications environments, using Multiple Description Coding (MDC). A review of Multiple Description (MD) video coding is presented, covering different video coding approaches. Different path diversity topologies and MDC networking applications are described, including MD video adaptation schemes to operate at network edges, for robust video streaming. A multi-loop architecture for Advanced Video Coding (AVC) to prevent drift distortion accumulation is also described. A simulation study of MDC for AVC is presented to evaluate the coding efficiency, the effects of distortion propagation and streaming performance in lossy networks. These research findings extend the current state-of-the-art MDC methods by developing new networking capabilities in different application scenarios maintaining coding efficiency, and increasing error robustness, when subject to transmission losses.

scholarly journals Robust Baseband Compression Against Congestion in Packet-Based Fronthaul Networks Using Multiple Description Coding

Entropy ◽  
2019 ◽  
Vol 21 (4) ◽  
pp. 433 ◽  
Author(s):  
Seok-Hwan Park ◽  
Osvaldo Simeone ◽  
Shlomo Shamai (Shitz)
Keyword(s):  
Access Network ◽  
General Purpose ◽  
Multiple Description Coding ◽  
Network Function Virtualization ◽  
Path Diversity ◽  
Network Function ◽  
Multiple Description ◽  
Radio Access ◽  
Multiple Routes ◽  
Description Coding

In modern implementations of Cloud Radio Access Network (C-RAN), the fronthaul transport network will often be packet-based and it will have a multi-hop architecture built with general-purpose switches using network function virtualization (NFV) and software-defined networking (SDN). This paper studies the joint design of uplink radio and fronthaul transmission strategies for a C-RAN with a packet-based fronthaul network. To make an efficient use of multiple routes that carry fronthaul packets from remote radio heads (RRHs) to cloud, as an alternative to more conventional packet-based multi-route reception or coding, a multiple description coding (MDC) strategy is introduced that operates directly at the level of baseband signals. MDC ensures an improved quality of the signal received at the cloud in conditions of low network congestion, i.e., when more fronthaul packets are received within a tolerated deadline. The advantages of the proposed MDC approach as compared to the traditional path diversity scheme are validated via extensive numerical results.

An Efficient Multiple Description Coding for Multi-View Video Based on the Correlation of Spatial Polyphase Transformed Subsequences

2019 ◽  
Vol 63 (5) ◽  
pp. 50401-1-50401-7 ◽  
Author(s):  
Jing Chen ◽  
Jie Liao ◽  
Huanqiang Zeng ◽  
Canhui Cai ◽  
Kai-Kuang Ma
Keyword(s):  
Video Transmission ◽  
Video Sequence ◽  
Three Dimensional ◽  
The Other ◽  
Multiple Description Coding ◽  
Multiple Description ◽  
Prediction Mode ◽  
Gradient Based ◽  
Directional Interpolation ◽  
Description Coding

Abstract For a robust three-dimensional video transmission through error prone channels, an efficient multiple description coding for multi-view video based on the correlation of spatial polyphase transformed subsequences (CSPT_MDC_MVC) is proposed in this article. The input multi-view video sequence is first separated into four subsequences by spatial polyphase transform and then grouped into two descriptions. With the correlation of macroblocks in corresponding subsequence positions, these subsequences should not be coded in completely the same way. In each description, one subsequence is directly coded by the Joint Multi-view Video Coding (JMVC) encoder and the other subsequence is classified into four sets. According to the classification, the indirectly coding subsequence selectively employed the prediction mode and the prediction vector of the counter directly coding subsequence, which reduces the bitrate consumption and the coding complexity of multiple description coding for multi-view video. On the decoder side, the gradient-based directional interpolation is employed to improve the side reconstructed quality. The effectiveness and robustness of the proposed algorithm is verified by experiments in the JMVC coding platform.

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